#Setup {
    .center {
        width: 90%;
      
        margin: 0 auto;

        .first {
            display: flex;
            align-items: center;
            justify-content: space-between;
    
        }
    }

    button {
        width: 340px;
        height: 35px;
        background-color: rgb(16, 142, 233);
        border: 0;
        font-size: 20px;
        border-radius: 5px;
        margin: 10px 35px;
    }

    #cameraVideo {
        margin-top: 5px;
    }
    .fans_length{
        width: 90%;
        height: 30px;
        font-size: 20px;
        margin-left: 20px;
    }

}